<?php
/**
 * LoginForm class.
 * LoginForm is the data structure for keeping
 * user login form data. It is used by the 'login' action of 'SiteController'.
 */
class LoginForm extends CFormModel
{
	public $username;
	public $password;
	public $rememberMe;
	public $userType;

	private $_identity;

	/**
	 * Declares the validation rules.
	 * The rules state that username and password are required,
	 * and password needs to be authenticated.
	 */
	public function rules()
	{
		return array(
			// username and password are required
			array('username, password', 'required'),
			// rememberMe needs to be a boolean
			array('rememberMe', 'boolean'),
			// password needs to be authenticated
			array('password', 'authenticate'),
		);
	}

	/**
	 * Declares attribute labels.
	 */
	public function attributeLabels()
	{
		return array(
			'rememberMe'=>'Remember Me',
		);
	}
	
	public function __construct($arg='Front') { // default it is set to Front
		$this->userType = $arg;
	}
	/**
	 * Authenticates the password.
	 * This is the 'authenticate' validator as declared in rules().
	 */
	public function authenticate($attribute,$params)
    {
        if(!$this->hasErrors())
        {
            $this->_identity = new UserIdentity($this->username, $this->password);
            $this->_identity->userType = $this->userType; // this will pass flag to the UserIdentity class
            if(!$this->_identity->authenticate()){
                $this->addError('password',"Incorrect username or password!");
            	$this->addError('username','');
            }
            else {
            	$duration = isset($this->rememberMe) ? 3600*24*30 : 0; // 30 days
            	Yii::app()->user->login($this->_identity,$duration);
            }
        }
    }
}